Luke 18:34

But His disciples did not understand [what He meant by] any of these things, for this message was hidden from them so they did not comprehend what He was saying.

John 12:16

His disciples did not understand these things at first, but after Jesus received splendor [in heaven], then they remembered that these things had been written about Him [in Scripture] and that people had done such things to Him.

Acts 1:7

Jesus replied, "You are not permitted to know the [specific] time or date [when this will happen]. For the Father has appointed it [to happen] when He determines [the right time].

1 Peter 1:11

They studied [their own prophecies] to learn what, or which, [person or] time the Holy Spirit in them pointed to, in predicting the sufferings of Christ and the glories yet to come.

Treasury of Scripture Knowledge

Summary

And I heard, but I understood not: then said I, O my Lord, what shall be the end of these things?

General references

Bible References

But

Luke 18:34
But His disciples did not understand [what He meant by] any of these things, for this message was hidden from them so they did not comprehend what He was saying.
John 12:16
His disciples did not understand these things at first, but after Jesus received splendor [in heaven], then they remembered that these things had been written about Him [in Scripture] and that people had done such things to Him.
Acts 1:7
Jesus replied, "You are not permitted to know the [specific] time or date [when this will happen]. For the Father has appointed it [to happen] when He determines [the right time].
1 Peter 1:11
They studied [their own prophecies] to learn what, or which, [person or] time the Holy Spirit in them pointed to, in predicting the sufferings of Christ and the glories yet to come.

General references

Mark 13:4
"Tell us, when will these things [you just spoke of] happen? And what will be the sign [that indicates] when all these things are about to be fulfilled?"